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Okutama mine, Okutama-cho, Nishitama district, Tokyo Metropolis, Japani
Regional Level Types
Okutama mineMine
Okutama-cho- not defined -
Nishitama districtDistrict
Tokyo MetropolisPrefecture
JapanCountry

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Latitude & Longitude (WGS84):
35° 48' 23'' North , 139° 6' 15'' East
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Ōme149,323 (2017)12.7km
Itsukaichi24,954 (2017)13.6km
Hannō86,262 (2017)19.9km
Chichibu58,507 (2017)20.6km
Uenohara27,840 (2017)21.1km
Mindat Locality ID:
47975
Long-form identifier:
mindat:1:2:47975:3
GUID (UUID V4):
0


Weakly metamorphosed sedimentary manganese ore hosted in metachert. Mined during WW2, galleries now inaccessible. Principal ore mineral was caryopilite.

Located east of Okutama station.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


13 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

ⓘ Caryopilite
Formula: Mn2+3Si2O5(OH)4
ⓘ Ganophyllite
Formula: (K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
ⓘ Halloysite
Formula: Al2(Si2O5)(OH)4
ⓘ Hausmannite
Formula: Mn2+Mn3+2O4
ⓘ Hematite
Formula: Fe2O3
ⓘ 'Limonite'
ⓘ 'Manganese Oxides'
ⓘ Manganosite
Formula: MnO
ⓘ Neotocite
Formula: (Mn,Fe)SiO3 · H2O (?)
ⓘ Pyrite
Formula: FeS2
ⓘ Quartz
Formula: SiO2
ⓘ Rhodochrosite
Formula: MnCO3
ⓘ Rhodonite
Formula: CaMn3Mn[Si5O15]
ⓘ Siegenite
Formula: CoNi2S4
ⓘ Tephroite
Formula: Mn2+2SiO4

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘSiegenite2.DA.05CoNi2S4
ⓘPyrite2.EB.05aFeS2
Group 4 - Oxides and Hydroxides
ⓘManganosite4.AB.25MnO
ⓘHausmannite4.BB.10Mn2+Mn3+2O4
ⓘHematite4.CB.05Fe2O3
ⓘQuartz4.DA.05SiO2
Group 5 - Nitrates and Carbonates
ⓘRhodochrosite5.AB.05MnCO3
Group 9 - Silicates
ⓘTephroite9.AC.05Mn2+2SiO4
ⓘRhodonite9.DK.05CaMn3Mn[Si5O15]
ⓘHalloysite9.ED.10Al2(Si2O5)(OH)4
ⓘCaryopilite9.ED.15Mn2+3Si2O5(OH)4
ⓘNeotocite9.ED.20(Mn,Fe)SiO3 · H2O (?)
ⓘGanophyllite9.EG.30(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Unclassified
ⓘ'Limonite'-
ⓘ'Manganese Oxides'-

List of minerals for each chemical element

HHydrogen
Hⓘ CaryopiliteMn32+Si2O5(OH)4
Hⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Hⓘ HalloysiteAl2(Si2O5)(OH)4
Hⓘ Neotocite(Mn,Fe)SiO3 · H2O (?)
CCarbon
Cⓘ RhodochrositeMnCO3
OOxygen
Oⓘ CaryopiliteMn32+Si2O5(OH)4
Oⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Oⓘ HalloysiteAl2(Si2O5)(OH)4
Oⓘ HausmanniteMn2+Mn23+O4
Oⓘ HematiteFe2O3
Oⓘ ManganositeMnO
Oⓘ Neotocite(Mn,Fe)SiO3 · H2O (?)
Oⓘ QuartzSiO2
Oⓘ RhodochrositeMnCO3
Oⓘ RhodoniteCaMn3Mn[Si5O15]
Oⓘ TephroiteMn22+SiO4
NaSodium
Naⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
AlAluminium
Alⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Alⓘ HalloysiteAl2(Si2O5)(OH)4
SiSilicon
Siⓘ CaryopiliteMn32+Si2O5(OH)4
Siⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Siⓘ HalloysiteAl2(Si2O5)(OH)4
Siⓘ Neotocite(Mn,Fe)SiO3 · H2O (?)
Siⓘ QuartzSiO2
Siⓘ RhodoniteCaMn3Mn[Si5O15]
Siⓘ TephroiteMn22+SiO4
SSulfur
Sⓘ PyriteFeS2
Sⓘ SiegeniteCoNi2S4
KPotassium
Kⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
CaCalcium
Caⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Caⓘ RhodoniteCaMn3Mn[Si5O15]
MnManganese
Mnⓘ CaryopiliteMn32+Si2O5(OH)4
Mnⓘ Ganophyllite(K,Na,Ca)2Mn8(Si,Al)12(O,OH)32 · 8H2O
Mnⓘ HausmanniteMn2+Mn23+O4
Mnⓘ ManganositeMnO
Mnⓘ Neotocite(Mn,Fe)SiO3 · H2O (?)
Mnⓘ RhodochrositeMnCO3
Mnⓘ RhodoniteCaMn3Mn[Si5O15]
Mnⓘ TephroiteMn22+SiO4
FeIron
Feⓘ HematiteFe2O3
Feⓘ Neotocite(Mn,Fe)SiO3 · H2O (?)
Feⓘ PyriteFeS2
CoCobalt
Coⓘ SiegeniteCoNi2S4
NiNickel
Niⓘ SiegeniteCoNi2S4

Other Regions, Features and Areas containing this locality

AsiaContinent
Eurasian Plate
Japan
Okhotsk PlateTectonic Plate

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